A sphere and a cylinder have the same radius and height. The volume of the cylinder is 48 centimeters cubed.

What is the volume of the sphere?


The answer is 32cm

A sphere and a cylinder have the same radius and height The volume of the cylinder is 48 centimeters cubed What is the volume of the sphere The answer is 32cm class=

Respuesta :

Answer:

32 cm

Step-by-step explanation:

this is because 48 * 2/3 = 32

The volume of the sphere is 32 cubic cm

The formula to find the volume of the cylinder: -

[tex]V=\pi \times r^{2}\times h[/tex]

where, r is the radius of cylinder and 'h' is the height of the cylinder

The formula to find the volume of the sphere: -

[tex]V=\frac{4}{3}\times \pi \times r^3[/tex]

where, r is the radius of the sphere

We have been given that a sphere and a cylinder have the same radius and height.

This means, diameter of the sphere = height of the cylinder

Let, 'h' represents the height of the cylinder and 'r' represents the radius of the sphere.

⇒ h = 2r

Also, the volume of the cylinder = 48 cubic cm

Let [tex]V_{s},V_c[/tex] represent the volume of the sphere and the cylinder respectively.

Consider the volume of the cylinder,

⇒ [tex]V_c = 48[/tex]

⇒ [tex]\pi \times r^2 \times h =48[/tex]

⇒ [tex]\pi \times r^2 \times 2r=48[/tex]                     ..................(Since h = 2r)

⇒ [tex]\pi \times r^3 = 24[/tex]                             ...................(1)

Now, the volume of the sphere would be,

⇒ [tex]V_s=\frac{4}{3} \times \pi \times r^3[/tex]

⇒ [tex]V_s=\frac{4}{3} \times 24[/tex]

⇒ [tex]V_s=32[/tex] cubic cm

Therefore, the volume of the sphere is 32 cubic cm.

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